Which HVAC system is good for future expansion

Mechanical & Electrical Plan Vignette and Multiple Choice

Which HVAC system is good for future expansion

Postby Michelle » Sun Nov 12, 2017 10:59 am

This question just came to me when I am studying HVAC system.
Which distribute system is more practical/economical for future expansion?
In my point of view water systems will do better than air systems since you just adding more pipes without change the main supply pipe size. But for air system you probably need to change the main duct size to allow more air quantity.

These is a related question on Kaplan Q&A #60. The correct answer says one characteristic of a VAV system is it easily adaptable to changing zones or adding zones in the future.
But will it change the total air supply which end up having a bigger main duct?

Any thoughts?
Michelle
 
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